/* Sleep Pattern Analyzer Styles */
:root {
  --primary-color: #3949AB;
  --secondary-color: #5C6BC0;
  --accent-color: #FF7043;
  --light-gray: #f5f5f5;
  --medium-gray: #e0e0e0;
  --dark-gray: #333333;
  --success-color: #66BB6A;
  --warning-color: #FFAB40;
  --danger-color: #EF5350;
  --info-color: #42A5F5;
  --sleep-color: #7986CB;
  --wake-color: #FFB74D;
  --border-radius: 8px;
  --box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  --transition: all 0.3s ease;
}

.sleep-analyzer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  font-family: 'Arial', sans-serif;
}

.analyzer-header {
  text-align: center;
  margin-bottom: 30px;
}

.analyzer-header h2 {
  font-size: 28px;
  color: var(--dark-gray);
  margin-bottom: 15px;
}

.analyzer-header p {
  font-size: 16px;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.analyzer-form {
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 25px;
  margin-bottom: 30px;
}

.form-section {
  margin-bottom: 30px;
  padding: 20px;
  background-color: var(--light-gray);
  border-radius: var(--border-radius);
}

.form-section h3 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 18px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--dark-gray);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  font-size: 16px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(57, 73, 171, 0.2);
}

.form-row {
  display: flex;
  gap: 15px;
  margin-bottom: 20px;
}

.form-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.time-input-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

.time-input-group input {
  flex: 1;
}

.time-input-group span {
  font-weight: bold;
  color: var(--dark-gray);
}

.sleep-log-entries {
  margin-top: 20px;
}

.sleep-entry {
  background: white;
  border: 1px solid var(--medium-gray);
  border-radius: var(--border-radius);
  padding: 15px;
  margin-bottom: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sleep-entry-info {
  flex: 1;
}

.sleep-entry-time {
  font-weight: bold;
  color: var(--primary-color);
}

.sleep-entry-duration {
  font-size: 14px;
  color: #666;
  margin-top: 4px;
}

.remove-entry {
  background: var(--danger-color);
  color: white;
  border: none;
  padding: 8px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
}

.remove-entry:hover {
  background: #E53935;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  font-weight: bold;
  padding: 14px 24px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-size: 16px;
  text-align: center;
  text-decoration: none;
  transition: var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--warning-color), var(--accent-color));
  margin-left: 10px;
}

.btn-container {
  text-align: center;
  margin-top: 20px;
}

.results-container {
  display: none;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  padding: 25px;
  margin-top: 30px;
}

.results-container.active {
  display: block;
  animation: fadeIn 0.5s;
}

.sleep-analysis {
  margin-top: 20px;
}

.analysis-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.summary-card {
  background: var(--light-gray);
  border-radius: var(--border-radius);
  padding: 20px;
  text-align: center;
  border-left: 4px solid var(--primary-color);
}

.summary-card.warning {
  border-left-color: var(--warning-color);
  background-color: #FFF3E0;
}

.summary-card.danger {
  border-left-color: var(--danger-color);
  background-color: #FFEBEE;
}

.summary-card.success {
  border-left-color: var(--success-color);
  background-color: #E8F5E9;
}

.summary-number {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.summary-label {
  font-size: 14px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-description {
  font-size: 12px;
  color: #888;
  margin-top: 8px;
  line-height: 1.4;
}

.sleep-pattern-chart {
  background: white;
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 30px;
  box-shadow: var(--box-shadow);
}

.chart-header {
  text-align: center;
  margin-bottom: 20px;
}

.chart-header h3 {
  color: var(--dark-gray);
  margin-bottom: 10px;
}

.sleep-timeline {
  position: relative;
  height: 80px;
  background: linear-gradient(90deg, #E3F2FD 0%, #FFECB3 50%, #E3F2FD 100%);
  border-radius: var(--border-radius);
  margin: 20px 0;
  overflow: hidden;
}

.sleep-block {
  position: absolute;
  height: 100%;
  background: var(--sleep-color);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 12px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.time-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #666;
  margin-top: 10px;
}

.analysis-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.detail-card {
  background: var(--light-gray);
  border-radius: var(--border-radius);
  padding: 20px;
}

.detail-card h4 {
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 15px;
}

.detail-card ul {
  margin: 0;
  padding-left: 20px;
}

.detail-card li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.recommendations {
  background-color: #E8F5E9;
  border-left: 4px solid var(--success-color);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-top: 30px;
}

.recommendations h3 {
  color: #2E7D32;
  margin-top: 0;
  margin-bottom: 15px;
}

.alert-box {
  padding: 15px;
  border-radius: var(--border-radius);
  margin: 20px 0;
  border-left: 4px solid;
}

.alert-info {
  background-color: #E3F2FD;
  border-left-color: var(--info-color);
  color: #0D47A1;
}

.alert-warning {
  background-color: #FFF3E0;
  border-left-color: var(--warning-color);
  color: #EF6C00;
}

.alert-danger {
  background-color: #FFEBEE;
  border-left-color: var(--danger-color);
  color: #C62828;
}

.behavioral-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 15px;
}

.indicator-tag {
  background: var(--primary-color);
  color: white;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
}

.indicator-tag.warning {
  background: var(--warning-color);
}

.indicator-tag.danger {
  background: var(--danger-color);
}

.export-options {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.export-btn {
  background-color: var(--info-color);
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: bold;
  text-decoration: none;
  transition: var(--transition);
}

.export-btn:hover {
  background-color: #1976D2;
  transform: translateY(-2px);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive styles */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
    gap: 20px;
  }
  
  .analysis-summary {
    grid-template-columns: 1fr 1fr;
  }
  
  .analysis-details {
    grid-template-columns: 1fr;
  }
  
  .export-options {
    flex-direction: column;
    align-items: center;
  }
  
  .sleep-entry {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .analyzer-header h2 {
    font-size: 24px;
  }
  
  .analysis-summary {
    grid-template-columns: 1fr;
  }
  
  .time-input-group {
    flex-direction: column;
    gap: 10px;
  }
}

/* Print styles */
@media print {
  .analyzer-form,
  .btn-container,
  .export-options {
    display: none;
  }
  
  .results-container {
    display: block;
    box-shadow: none;
  }
  
  .sleep-analyzer {
    padding: 0;
  }
  
  .detail-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}